ETS2228 Maintenance Manual
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Page 20, Total 43
PM6610 PIN NO.
Function Description
Signal Name
HKADC5
Veneer temperature
sampling
PHONE_THERM
HKADC8
Battery temperature
sampling
BAT_TEMP
HKADC9
Battery identify
（
Battery ID
）
BAT_ID
Table 1 Environment variable measure PIN
3.2 Base Band Part
The MSM6000 sub-system includes voice coding/decoding unit, baseband signal processing unit,
and CPU system on which protocol software runs. All these functional units are integrated into the
MSM6000 chip. The main function of the voice coding/decoding unit is to conduct compressing and
coding operations over 64K voice and digital code traffics like EVRC codes, to let them be suitable for
being transmitted in wireless environment. The baseband signal processing unit mainly includes
functions like baseband modulation/demodulation and channel coding/decoding. It also includes the
CPU system through which protocol software runs, as well as FLASH for storing software and SRAM
for running software.
3.3 Power Management Part
Power management sub-system mainly fulfils DC-DC converting of external input power
and managing power voltage which is used by inside circuit.
The function of power management can be divided to two parts: battery management and veneer
circuit’s power management. Battery management mainly supplies the functions of charging/discharging
management and temperature protect etc. veneer circuit’s power management manages power of veneer
unit circuit in order to reduce equipment’s power consumption according to operation state .Such as user
interface circuit ,RF transmitter,MSM6000 all can be set dormancy state to reduce equipment’s power
consumption a lot.
See the following table for Power management module interface signal:
